Kenji Yamasaki
Senior Associate Engineer

Mr. Yamasaki has 22 years of experience as a geotechnical engineer. He has worked on seismic evaluation of embankment dams and foundation soils, ground improvement, landslide remediation, and structure foundations. He has built a successful track record in the application of engineering principles to the solution of especially complex geotechnical problems. A few of Mr. Yamasaki’s representative work projects include:

• Embankment Dam Seismic Stability and Deformation Evaluations, Oak Grove Hydroelectric Project, Oregon
• Tanana River Bridge, Tok, Alaska
• Driven Pile Design and Evaluations, Bear Creek Bridge, Medford, Oregon
• Plate Load Testing, Trojan Nuclear Power Plant Decommissioning, Rainier, Oregon
• Wastewater Treatment Plant Expansion Foundation Improvements, Tillamook County, Oregon
• Liquefaction Evaluation and Ground Improvement, Port Westward Generating Plant, Clatskanie, Oregon
• FWD Data Analysis and Pavement Design, Warner Highway Realignment, Lakeview, Oregon
• Large-Scale Laboratory Testing, Sewer Line Backfill Settlement, Richland, Washington
• North Transmission Pipeline Excavation Shoring and Soil Improvement, Cornelius, Oregon
• Shear Pile Design, Depoe Bay Sea Wall, Depoe Bay, Oregon
• Design and Modification of Foundations, Green Springs Drive Bridge, Klamath Falls, Oregon
• Static and Seismic Stability of Willamette Falls Dam, West Linn, Oregon
• Interstate 84 Sandy River Bridge Investigation, Troutdale, Oregon
• Earthfill Dam Construction, Frog Lake Central Dam, Three Lynx, Oregon
• Municipal Water Supply System Expansion Facility Foundations, Glendale, Oregon
• Willamette Falls Dam (Section G-G) Stability Analysis, West Linn, Oregon
• Westside Light Rail Zoo Station Exploration and Instrumentation, Portland, Oregon
• St. Johns Landfill Closure Clay Liner, Portland, Oregon
• Jackson Creek Bridge Foundations, Jacksonville, Oregon